Repair TE Cherai

Amount

Providing and fixing PTMT bib cock of approved quality and colour

a) 15 mm nominal size ,165mm long weighing not less than 110 gms

Providing and fixing PTMT stop cock of approved quality and colour

a) 15 mm nominal size, 86mm long ,weighing not less than 88 gms

Providing and fixing PTMT pillar cock of approved quality and colour

a) 15 mm nominal size ,107mm long weighing not less than 110 gms

Providing and fixing PVC pipes of pressure class of 10 Kg/Sq.cm complete fittings and clamps including cutting and making good the walls etc complete (internal work)

a) 20 mm outer dia

Providing and fixing uplasticised PVC connection pipe with brass unions :45 cm length ,15 mm nominal bore

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS:13592 type A including jointing with seal ring conforming to IS : 5382 leaving 10mm gap for thermal expansion.(I) single socketed pipes complete.

Providing and fixing on wall face unplasticised PVC moulded fittings /accessories for unplasticised Rigid PVC rain water pipes conforming to IS:13592 type A including jointing with seal ring conforming to IS : 5382 leaving 10mm gap for thermal expansion

Single tee with door 110x110x110 mm

Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50 mm hard wood plugs, screwed with M.S. screws of required length,including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete.a) 110 mm

Dismantling roofing including ridges,hips,valleys and gutters etc., and stacking the materials with in 50 metres lead of Asbestos sheet

Dismantling steel work in single sections including dismembering and stacking within 50 metres lead in:

Channels, angles, tees and flats

Credit the value of dismantled steel to the contractor

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.

Providing and fixing precoated galvanised iron profile/ trafford sheets 0.5mm thick with zinc coating 120gms per sqm as per IS:277,in 240mpa steel grade,5-7 microns epoxy primer on both sides of the sheet and polyester top coat 15-18 microns Sheet should have protective guard film of 25 microns to avoid scratches and supplied in single length upto 12mtr or as directed by engineer in charge. Sheet shall be fixed with self drilling/self tapping screws of size(5.5x55mm) with EDPM seal,complete excluding the cost of purlins etc complete..

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.m and under including cutting the patches in proper shape and prepairing and plastering the surfaces of the walls complete including disposal of rubbish to dumping ground with in a lead 50 m as directed by the Engineer in charge.

a) Cement mortar 1 : 4 ( 1 cement : 4 fine sand)

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge

b) 50mm average thickness

Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.

a) Bars upto 12 mm diameter

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm upto 200mm in RCC beams, lintels, columns and slabs to introduce steel bars for sunshades/balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-InCharge. Upto and including 12mm dia.

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect SBR Polymer (@10% of cement weight) modified cementitious bond coat @2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/ mm2).

b)25 mm average thickness

Providing, mixing and applying SBR polymer (of approved make @ minimum 2% by wt. of cement used) modified plain/reinforced cement concrete for structural members having minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness. Note: Rates shall be for finished surface area of concrete and shall include the cost of labour, concrete and appropriate approved SuperPlasticiser for rendering concrete as flowable and SBR polymer but shall exclude cost of reinforcement, bond coat, Shear Keys, centering and shuttering, strutting, propping etc (Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/tapping with a blunt metal instrument)

a)50mm thick in Grade M 25 with cement content not less than 330 kg per cum

Cleaning of roof terrace of TE with floor area up to 200sqm including removal of vegetation growth and dry leaves , trimming the branches of trees at a distance of 2 metres along the periphery of building and disposal of unserviceable materials up to a distance of 50m etc complete as per the direction of engineer in charge.

White washing with lime to give an even shade :Old work (two or more coats)

Distempering with 1st quality acrylic distemper (ready mixed) having VOC (Volatile Organic Compound ) content less than 50 gram/ litre, of approved brand and of required shade and colour complete to give and even shade.

One or more coats on old work

Wall painting with acrylic emulsion paint, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour:One or more coats on old work

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content.a) With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre.

Finishing walls with Acrylic Smooth exterior paint of required shade:Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :One or more coats on old work

Carriage of building rubbish and surplus excavated earth by mechanical transport including loading unloading etc complete with 5 km lead from the site as directed by the Engineer-in- charge.

joy thomas (BID ID -793127)